Friday, September 09, 2011
Tullow Oil plc
Tullow Oil plc announced Friday that the Zaedyus exploration well (GM-ES-1), offshore French Guiana, has made an oil discovery having encountered 72 meters of net oil pay in two turbidite fans. Results of drilling, wireline logs and samples of reservoir fluids show that the well has encountered good quality reservoir sands on prognosis.
The objective of the Zaedyus well was to test whether the Jubilee-play, successfully established in West Africa, was mirrored on the other side of the Atlantic. This discovery therefore opens a new hydrocarbon basin within which several neighboring prospects have been mapped. This result also reduces the exploration risk associated with Tullow's prospect inventory offshore French Guiana, Suriname and Guyana. An appraisal program and extensive follow-up exploration activities will now be considered.
The Zaedyus well is being drilled in the Guyane Maritime license using the ENSCO 8503 deepwater semi submersible. The well was drilled in water depths of 2,048 meters and has been drilled to a depth of 5,711 meters. Drilling operations will now continue and the well will be deepened to over 6,000 meters to calibrate the deeper geology. The well will then likely be sidetracked to enable cores to be obtained over the reservoir sections.
Tullow (27.5%) operates the Guyane Maritime license and is partnered by Shell (45%), Total (25%) and Northpet (2.5%), a company owned 50% by Northern Petroleum plc and 50% by Wessex Exploration plc.
Angus McCoss, Tullow's Exploration Director, commented Friday:
"The discovery at Zaedyus has proved the extension of the Jubilee-play across the Atlantic and made an important new discovery in French Guiana. Tullow has built a commanding and unique acreage position in South America and this result marks the start of a significant and potentially transformational long-term exploration and appraisal campaign in the region."
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